<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>示例10</title>
</head>
<body>
    <script>
        const s = new Set([4,2,3,1,2,3])
        for (const item of s.values()){
            console.log(item)
        }
    </script>
</body>
</html>